Billionaire and former President of Facebook, Sean Parker, was partying in West Hollywood’s Beverly Club over the weekend and left the server with a generous tip.

Sean Parker, 31, is the founder of Napster and former president of social networking site Facebook. While partying in West Hollywood with friends over the weekend he ran up a $6,000 bar tab. The internet pioneer, who Justin Timberlake played in the hit movie Social Network, paid the bill and then left the waitress with a $5,000 tip.

Parker lives in New York and is engaged. He ranks number 200 on the Forbes 400 list, 782 on the Forbes Billionaires list and is the 279th richest person in the U.S. His net worth is estimated at $2.1 billion.